72438504930

Names of 72438504930

• Cardinal: 72438504930 can be written as Seventy-two billion, four hundred thirty-eight million, five hundred four thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 7.243850493 × 10¹⁰

Factors of 72438504930

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 12607

Divisors of 72438504930

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 59 66 81 90 99 110 118 121 135 162 165 177 198 242 270 295 297 330 354 363 405 495 531 590 594 605 649 726 810 885 891 990 1062 1089 1210 1298 1485 1593 1770 1782 1815 1947 2178 2655 2970 3186 3245 3267 3630 3894 4455 4779 5310 5445 5841 6490 6534 7139 7965 8910 9558 9735 9801 10890 11682 12527 14278 15930 16335 17523 19470 19602 21417 23895 25054 29205 32670 35046 35695 37581 42834 47790 49005 52569 58410 62635 64251 71390 75162 87615 98010 105138 107085 112743 125270 128502 137797 175230 187905 192753 214170 225486 262845 275594 321255 338229 375810 385506 413391 525690 563715 578259 642510 676458 688985 739093 826782 963765 1014687 1127430 1156518 1240173 1377970 1478186 1515767 1691145 1927530 2029374 2066955 2217279 2480346 2891295 3031534 3382290 3695465 3720519 4133910 4434558 4547301 5073435 5782590 6200865 6651837 7390930 7441038 7578835 8130023 9094602 10146870 11086395 11161557 12401730 13303674 13641903 15157670 16260046 18602595 19955511 22172790 22323114 22736505 24390069 27283806 33259185 37205190 39911022 40650115 40925709 45473010 48780138 55807785 59866533 66518370 68209515 73170207 81300230 81851418 89430253 99777555 111615570 119733066 121950345 122777127 136419030 146340414 178860506 199555110 204628545 219510621 243900690 245554254 268290759 299332665 365851035 409257090 439021242 447151265 536581518 598665330 613885635 658531863 731702070 804872277 894302530 1097553105 1227771270 1317063726 1341453795 1609744554 2195106210 2414616831 2682907590 3292659315 4024361385 4829233662 6585318630 7243850493 8048722770 12073084155 14487700986 24146168310 36219252465 72438504930
• Sum of all divisors σ(n): 217742152320
• Sum of proper divisors (its aliquot sum) s(n): 145303647390
• 72438504930 is an abundant number, because the sum of its proper divisors (145303647390) is greater than itself. Its abundance is 72865142460

Bases of 72438504930

• Binary: 1000011011101101010111101110111100010₂
• Hexadecimal: 0x10DDABDDE2
• Base-36: XA00K4I

Squares and roots of 72438504930

• 72438504930 squared (72438504930²) is 5247336996493634304900
• 72438504930 cubed (72438504930³) is 380109246889875521309115773157000
• The square root of 72438504930 is 269144.0226532999
• The cube root of 72438504930 is 4168.5961787717

Scales and comparisons

• 72,438,504,930 seconds is equal to 2,303 years, 16 weeks, 4 days, 14 hours, 55 minutes, 30 seconds.
• To count from 1 to 72,438,504,930 would take you about four thousand, six hundred six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 72438504930 cubic inches would be around 347.4 feet tall.

Recreational maths with 72438504930

• 72438504930 backwards is 03940583427
• 72438504930 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72438504930's digits is 45
• More coming soon!